Telephone memorandum attachment.



BATNTED PEB. 2o, 1906.

APPLICATION FILED JAN.16',1905.

UNITED sfrnrns i rirrnnr ir-rien.

' FRANK B. GiLBER'r, or innsnixroins, MiNNnsorA.

TELEPHONE MEMORANDUM ATTACHMENT.

Specification of Letters Patent.

Patented rebfao, 1906.

Application led January 1S, 1905. Sei-inl No. 241.223.

` simple, cheap, and eflicieut memorandum attachment for telephones; and to such ends it consists oi the novel devices and combinations of devices hereinafter described, and defined in the claim.

The invention is illustrated in the accom' panying drawings, wherein 'like characters indicate vlike parts throughout the several views. ,Figure 1 is aviow in front elevation show-A ing a telephone transmitter and receiver and showing my improved memorandum attach.- mentapplied to the bell of the transmitter. Fig. 2 is a side elevation of thev parts shown in Fig., 1, but with the base of the instrument broken away. Fig. 3 is a detail view in pian, Showingr the telephone attachment removed. Fig. 4 is a front elevation of the parts shown in Fig. 3. Fig. 5 is a detail view showing one of the memorandum-cards, and Fig. 6 is a detail'view showing one of the partitions of holder or card-case.

Referring to the parts of the tele hone instrument, the numeral-1 indicates t cpedostal, the numeral 2 the receiver, and the nu-A moral 3 the transmitter, which latter is provided with the usual bell or mouthpiece 4.

The numeral 5 indicates a substantially rectangular metallic case, which is open at vits front edfzo and at its lower end and is provided with means for detachably securing it to the. base of the mouthpiece 1. This at- -taching means is preferably in the form of a split clamping-ring 6, which is soldered to the back of the case 5, and a thin metallic web 7, which is preferably formed as an extension of one side plate of the case. 4 The web 7 is provided with a perforation 8, which is adapted to be slipped onto thereduced threaded end ofthe mouthpiece 4. when said mouthpiece is remove'd and to be clamped between the end of said mouthpiece and the face of the trans-l `mitter '3. The ends of the clamping-ring i6 are bent outward and perforated, and a short g netted bolt 9 is passed therethrough and serves to clamp the ring onto the said mouth ve rigidly secure the case 5 to the transmitter ot the telephone.

Within the case is a plurality of memoj raudnmfcards 10, which at one corner are pivotally attached thereto by a pin or small bolt 11. The memorandum -v cards 10 are thus The said clamping-ring and the per-. for .l web 7 cooperate to -detachably but mounted with freedom for pivotal movef nient, so that they may be contained entirely within the case or may bel projected therefrom into a horizontally-extendedposi? tion..

(Indicated in Fig. 1.) At their outer#y most edges the nieinorandum-cards-'IO are'.

provided with alphabetically-marked fingertips 12, by means of which any card may be selected and 'moved pivotally outward. Besides the alphabetically-marked cards :there may 'be other cards marked with more definite ditta-such, for instance, as Banl\ :s,-

Railways, Express companies, eine; To4

prevent the movement of one card from teiid-A mg' to move other cards by-frictional engage? nient, thin partitions 13 are placedbetween said memorandum-cards and are rigidly'se` cured within the case, so as to form a plurality of very thin stalls for the said memorandum-cards, These partitions 13 may be conother suitable material. .u

The memorandum attachment when ap plied as above described is held in osition where the calls may be read from t e out-v` a person talking into theA turned card b transmitter. he attachment is. small and dees 'not in'any way interfere with the action- 'ofthe telephone.

lt is of small cost and may ,structed either of metal, paper, Celluloid, or

he quickly applied to or remover!l from a telei phoneinstruinent Without in any `way defac' ing the said instrument. The convenience offthe device is obvious. Iv have herein termed the device a memorandum attachment, and 1n addltion to the memorandumcards on which the calls most used are marked other cards may be rovided, uponI which notes may be taken. he device pri.-

marily affords an alphabetically --arranged memorandum of calls most frequently used inthe transaction ofl the business of the per- 'son or firm .to Whosetelephone' the attachment is applied.

What l claim, and desire to secure by Let- IIO ters Pat-ent of the United States, is as follows:

A telephone attachx d case, subs'bantially as de lo nent comprising a case. j appliedwthin sai 5, having the clamping-ring 6 and coperatscribed. i u ing perforated web 7, the perforation 8 of Iufnestimony whereof Iax my signature said web being :dined with said Ciani ngi in presence of two Witnesses.

ring, and adapted to fit the. threaded slank Ofa telephone-mornin)ieee, and which clamp- I FRANK B' GILBERT' ngsring is adapted-t0 embrace said moutht Vvitnesses: piece, a nutte-d bolt applied to the ends ,of H. D. KILGORE, said clamping-ring, and memorandum-czu'ds f F. D. MERCHANT. 

